VulnerabilityModified
CVE-2020-9951
A use after free issue was addressed with improved memory management.
HIGH 8.8EPSS 2.33%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.33% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- apple/icloud · apple/itunes · apple/safari · apple/ipados · apple/iphone os · apple/tvos · apple/watchos · webkit/webkitgtk\+ · debian/debian linux
- Source
- product-security@apple.com
References
- http://seclists.org/fulldisclosure/2020/Nov/18Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Nov/19Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Nov/20Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Nov/22Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/11/23/3Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202012-10Third Party Advisory
- https://support.apple.com/HT211845Release Notes, Vendor Advisory
- https://support.apple.com/kb/HT211843Vendor Advisory
- https://support.apple.com/kb/HT211844Vendor Advisory
- https://support.apple.com/kb/HT211850Vendor Advisory
- https://support.apple.com/kb/HT211935Vendor Advisory
- https://support.apple.com/kb/HT211952Vendor Advisory
- https://www.debian.org/security/2020/dsa-4797Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Nov/18Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Nov/19Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Nov/20Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Nov/22Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/11/23/3Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202012-10Third Party Advisory
- https://support.apple.com/HT211845Release Notes, Vendor Advisory
- https://support.apple.com/kb/HT211843Vendor Advisory
- https://support.apple.com/kb/HT211844Vendor Advisory
- https://support.apple.com/kb/HT211850Vendor Advisory
- https://support.apple.com/kb/HT211935Vendor Advisory
- https://support.apple.com/kb/HT211952Vendor Advisory
- https://www.debian.org/security/2020/dsa-4797Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.